All social engineering attacks rely on the same essential fact to be well aware of.
This is by no means Bitcoin-specific : man is the weakest link.
Here's a good resource among others, and terse post at it, to make the point :
More on Bitcoin from crypto folks' point of view :
"Cyril" pronounced "see real". I code stuff. I care quite a bit about language.
Did you know? 1,299,830,899,481 can be factored in no more than 55,655 steps.